Which of the Following Is Considered a Sign of Modernization

Which of the following is considered a sign of modernization in marriage decisions?

A) American marriage markets are informally but sharply divided along the lines of race/ethnicity, religion, and social class.
B) Endogamy helps maintain the existence of groups from generation to generation.
C) The intermarriage rate is still low compared with the potential for intermarriage.
D) The importance of education has increased and the importance of religion declined as a factor in marriage.